2. Warm-Up
1. Simplify: 9( a2 + 2ab - b2) - 2(a2 + ab)
2. Multiply: 9v2 (u2 + uv - 5v2)
3. Divide: x3 + 2x2 - x
x
4. One More Try: 18x4 - 10x2 + 6x
2x2
5. (5w -4)2
Last One...
6. x + 5 + 2x - 3 6. 3x + 1 + 5
3 3 4x 2x

3. Test Review:
1. (2x2y3)3 7.v2 2x2y2z -2
D. 8x10
x2y3z2•x-4z2 3xy2z4
y4
5. There are seven billion, two hundred million people
on Earth. Write this in scientific notation. 7.022 x 109
3.v1 (3/2P)-3, 2.v2 (2/3P)2 1.v2 (1/4)-3, 9.v1 (-1/4)-3
6.v2 602 x 10-6, 4.v1 206 x 10-6 6.02 x 10-4, 2.06 x 10-4

4. Class Work:
Polynomial Handout